Mountain range whose peaks include the Matterhorn (4)

I believe the answer is:

alps

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'mountain range' is the definition.
(Alps is an example)

I cannot understand how the rest of the clue works.

(Other definitions for alps that I've seen before include "Mont Blanc is therein" , "Mountain pastures" , "European mountain chain" , "& 11 their highest peak" , "Swiss mountains" .)

I've seen this clue in The Times.

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